Thalictrum kangdingense (Ranunculaceae), a new synonym of T. megalostigma from China

Phytotaxa ◽  
2021 ◽  
Vol 498 (2) ◽  
pp. 87-103
Author(s):  
YOU-PAI ZENG ◽  
QIONG YUAN ◽  
QIN-ER YANG
Keyword(s):  
Morphological Characters ◽  
Sichuan Province ◽  
Type Locality ◽  
Type Material ◽  
Herbarium Specimens ◽  
Western Sichuan ◽  
New Synonym ◽  
Morphological Distinction ◽  
In The Wild

Based on critical observations on herbarium specimens (including type material) and living plants in the wild from its type locality, we demonstrate that Thalictrum kangdingense, recently described from Kangding county in western Sichuan province, China, is readily distinguishable from T. xinningense by an array of morphological characters but is actually conspecific with T. megalostigma, a species with its type locality also in Kangding. We therefore reduce T. kangdingense to the synonymy of T. megalostigma herein. The morphological distinction between T. baicalense and T. megalostigma is also clarified.

Thalictrum brevisericeum var. pentagynum (Ranunculaceae), a new synonym of T. uncinulatum from China

Phytotaxa ◽  
2021 ◽  
Vol 497 (2) ◽  
pp. 97-112
Author(s):  
YOU-PAI ZENG ◽  
QIONG YUAN ◽  
QIN-ER YANG
Keyword(s):  
Sichuan Province ◽  
Type Material ◽  
Herbarium Specimens ◽  
New Synonym ◽  
In The Wild

Based on critical observations on both herbarium specimens (including type material) and living plants in the wild, we demonstrate that Thalictrum brevisericeum var. pentagynum, described recently from Heishui county in northwestern Sichuan province, China, is identical with T. uncinulatum, a widely distributed Chinese species. We therefore reduce T. brevisericeum var. pentagynum as a synonym of T. uncinulatum herein. Lectotypification is proposed for T. uncinulatum.

Clarification of morphological distinction between Artemisia sichuanensis var. sichuanensis (Asteraceae, Anthemideae) and A. sichuanensis var. tomentosa, with reduction of A. erlangshanensis to the synonymy of the latter variety

Phytotaxa ◽  
2020 ◽  
Vol 453 (1) ◽  
pp. 16-30
Author(s):  
XIN-QIANG GUO ◽  
LONG WANG ◽  
QIN-ER YANG
Keyword(s):  
Type Material ◽  
Herbarium Specimens ◽  
Morphological Distinction ◽  
In The Wild

Based on observations on both herbarium specimens (including type material) and living plants in the wild, we demonstrate that Artemisia sichuanensis var. sichuanensis (Asteraceae, Anthemideae) differs from A. sichuanensis var. tomentosa only by the leaves abaxially sparsely pubescent (vs. densely gray arachnoid tomentose). In addition, A. erlangshanensis is found to be identical with A. sichuanensis var. tomentosa, and is thus synonymized herein.

Artemisia taibaishanensis (Asteraceae, Anthemideae), a new synonym of A. qinlingensis from China

Phytotaxa ◽  
2021 ◽  
Vol 487 (2) ◽  
pp. 125-138
Author(s):  
XIN-QIANG GUO ◽  
LONG WANG ◽  
QIN-ER YANG
Keyword(s):  
Geographical Distribution ◽  
Type Material ◽  
Herbarium Specimens ◽  
New Synonym ◽  
In The Wild

Based on observations on herbarium specimens (including type material) and living plants in the wild, we demonstrate that Artemisia taibaishanensis (Asteraceae, Anthemideae) is conspecific with A. qinlingensis. We therefore place A. taibaishanensis in the synonymy of A. qinlingensis herein. Lectotypification is proposed for A. qinlingensis and its geographical distribution is also clarified.

Clarification of some imperfectly understood characters in the Chinese species Thalictrum przewalskii (Ranunculaceae), with reduction of T. lasiogynum and T. latistylum to its synonymy

Phytotaxa ◽  
2021 ◽  
Vol 511 (3) ◽  
Author(s):  
YOU-PAI ZENG ◽  
QIONG YUAN ◽  
QIN-ER YANG
Keyword(s):  
North America ◽  
Morphological Characters ◽  
Type Material ◽  
Herbarium Specimens ◽  
Northeastern Asia ◽  
In The Wild

Based on critical observations on both herbarium specimens (including type material) and living plants in the wild, here we clarify some morphological characters in the Chinese species Thalictrum przewalskii (Ranunculaceae) and demonstrate that T. lasiogynum and T. latistylum, described respectively from China’s Sichuan and Gansu provinces, are conspecific with it. We therefore reduce T. lasiogynum and T. latistylum to the synonymy of T. przewalskii. Thalictrum sect. Platystylus, which was established to accommodate T. latistylum, is reduced to the synonymy under T. sect. Omalophysa. The identity of T. rockii is further confirmed and the distribution in China of T. sparsiflorum, a species most closely similar to T. przewalskii and widely distributed in northeastern Asia and North America, is also determined.

Thalictrum jilongense and T. tenuicaule (Ranunculaceae), described from China, are both merged with T. leuconotum

Phytotaxa ◽  
2021 ◽  
Vol 509 (2) ◽  
Author(s):  
YOU-PAI ZENG ◽  
QIONG YUAN ◽  
QIN-ER YANG
Keyword(s):  
Type Material ◽  
Herbarium Specimens ◽  
Western Sichuan ◽  
In The Wild

Based on critical observations on herbarium specimens (including type material) and living plants in the wild, we demonstrate that Thalictrum jilongense and T. tenuicaule (Ranunculaceae), described from southern Xizang (Tibet) and western Sichuan, China, respectively, are both conspecific with T. leuconotum. We therefore reduce T. jilongense and T. tenuicaule to the synonymy of T. leuconotum herein. Lectotypification is proposed for T. leuconotum.

Thalictrum punduanum var. hirtellum (Ranunculaceae), another new synonym of T. neurocarpum

Phytotaxa ◽  
2020 ◽  
Vol 442 (2) ◽  
pp. 89-100
Author(s):  
YOU-PAI ZENG ◽  
QIONG YUAN ◽  
QIN-ER YANG
Keyword(s):  
Herbarium Specimens ◽  
New Synonym ◽  
Morphological Distinction ◽  
In The Wild

We have previously placed Thalictrum austrotibeticum (Ranunculaceae) in synonymy with T. neurocarpum. Based on critical observations on herbarium specimens and living plants in the wild, we demonstrate that T. punduanum var. hirtellum, recently described from southern Xizang (Tibet), China, is also identical with T. neurocarpum. We therefore reduce T. punduanum var. hirtellum to the synonymy of T. neurocarpum herein. We also further clarify the morphological distinction between T. neurocarpum and T. reniforme, which were often regarded as conspecific.

Thalictrum panzhihuaense (Ranunculaceae) is placed in synonymy with T. glandulosissimum, with reduction of T. tsaii to T. glandulosissimum var. tsaii

Phytotaxa ◽  
2021 ◽  
Vol 520 (1) ◽  
pp. 1-20
Author(s):  
YOU-PAI ZENG ◽  
QIONG YUAN ◽  
QIN-ER YANG
Keyword(s):  
Yunnan Province ◽  
Sichuan Province ◽  
Type Material ◽  
Herbarium Specimens ◽  
In The Wild ◽  
Northwestern Yunnan

Based on critical observations on herbarium specimens (including type material) and living plants in the wild, we demonstrate that Thalictrum panzhihuaense (Ranunculaceae), described from Panzhihua city in southwestern Sichuan province, China, is conspecific with T. glandulosissimum and that T. tsaii, described from Weixi county in northwestern Yunnan province, China, is extremely close to T. glandulosissimum. We therefore place T. panzhihuaense in synonymy with T. glandulosissimum and treat T. tsaii as a variety of T. glandulosissimum, i.e. T. glandulosissimum var. tsaii. The identity of T. glandulosissimum var. chaotungense is also discussed. Lectotypification is proposed for T. glandulosissimum.

Clarification of some morphological characters in Artemisia anomala (Asteraceae, Anthemideae), with reduction of var. tomentella and var. acuminatissima to the synonymy of the species

Phytotaxa ◽  
2021 ◽  
Vol 520 (1) ◽  
pp. 57-74
Author(s):  
XIN-QIANG GUO ◽  
LONG WANG ◽  
QIN-ER YANG
Keyword(s):  
Morphological Characters ◽  
Type Material ◽  
Herbarium Specimens ◽  
Variation Range ◽  
In The Wild

Based on observations on herbarium specimens (including type material) and living plants in the wild, we demonstrate that Artemisia anomala (Asteraceae, Anthemideae), a distinctive Chinese species yet morphologically imperfectly understood since its description, is variable with respect to its leaf indumentum and shape within and between populations. The leaves are ovate, ovate-lanceolate, elliptic-lanceolate, or lanceolate, and adaxially sparsely pubescent or glabrous, abaxially tomentose to sparsely pubescent, or rarely glabrescent. Morphologically, the two currently recognized varieties of A. anomala, var. tomentella and var. acuminatissima, fall within the variation range of the species in leaf indumentum and shape, and thus are synonymized herein. Lectotypification is proposed for A. anomala.

Identity of Carex trichodes Steud. ex Boott and Carex lateriflora Phil. (subgen. Psyllophorae, sect. Junciformes, Cyperaceae) from Southern South America

Phytotaxa ◽  
2022 ◽  
Vol 530 (2) ◽  
pp. 230-236
Author(s):  
DIEGO N. PENNECKAMP
Keyword(s):  
South America ◽  
Type Locality ◽  
Type Material ◽  
Southern South America ◽  
In The Wild ◽  
Made In

The identity of Carex trichodes, a species only known from the collection of the type material made in 1854 is clarified after finding it in the wild in the vicinity of the type locality. It is concluded that C. trichodes was proposed based on stressed plants corresponding to the same taxon later described as C. lateriflora.

Rediscovery of Aster polius (Astereae: Asteraceae), a rare and endemic species from China, after one century

Phytotaxa ◽  
2019 ◽  
Vol 423 (4) ◽  
pp. 247-258
Author(s):  
ZHI-XI FU ◽  
GUO-JIN ZHANG ◽  
YI-ZHEN SHAO ◽  
YAN-YAN LIU ◽  
XIAO-CHENG YANG ◽  
...  
Keyword(s):  
Endemic Species ◽  
Phylogenetic Reconstruction ◽  
Detailed Comparison ◽  
Systematic Position ◽  
Type Locality ◽  
Herbarium Specimens ◽  
Distribution Map ◽  
Nuclear Markers ◽  
Western Sichuan ◽  
Key Characters

Aster polius C.K. Schneider (Asteraceae, Astereae) was known only from the holotype locality after having been collected in 1908. Its systematic position and relationships among Aster and related genera remained unknown. In this work, we report the rediscovery of Aster polius at the type locality in western Sichuan, China, in 2016. After a detailed comparison with herbarium specimens and a phylogenetic reconstruction of densely sampled relatives based on nuclear markers (nrITS & nrETS), the position of Aster polius was determined to be in Aster ser. Albescentes. This species differs from other species of A. ser. Albescents in some key characters, i.e., leaves adaxially verruculose, leaves narrowly ovate to elliptic, 0.6–1.5 × 0.2–0.7 cm, capitula in corymbiform synflorescences. An amended description with a distribution map and a drawing of the species are presented.

Sign in / Sign up

Export Citation Format

Share Document